Question icon
Grade 12Algebra

A bag contains 4 red and 4 black balls. Another bag contains 2 red and 6 black balls. One of
the two bags is selected at random and a ball is drawn from the bag which is found to be red.
Find the probability that the ball is drawn from the first bag.

Profile image of Drake
11 Years agoGrade 12
Answers icon

2 Answers

Profile image of God Of Maths
11 Years ago
the probability that the ball is drawn from the first bag.....
total balls in both the bags is 4+4+2+6 = 16.
but the ball should be red and from the first bag,
therefore th probability is 4/16 i.e. ¼.
 
By,
God Of Maths
Profile image of Drake
11 Years ago
Wrong ,  ans is 2/3 
and thanks i have solved it .